Choose the Right Control
Quickly match common release risks to the control mechanism that best handles them.
Cross-team dependency discovered late Use the train first; use flags only if exposure can truly be decoupled afterward. Support macros are missing but code is integrated Use the flag to hold exposure, then keep rollout staged. Mixed canary signals after 5% exposure Use the rollout logic first; flags make the action executable. What sentence keeps these controls straight? The train coordinates, the flag controls exposure, and the rollout earns widening. Use it when the meeting starts blending unlike problems together. comparison-cards principle-line recall-score
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